The relationship between expression and colour on the face perception K Nakajima1, T Minami2, S Nakauchi3 |
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1Department of Computer Science and Engineering, Toyohashi University of Technology, Japan |
| Facial colour varies depending on emotional state, and emotions are often described in relation to facial colour. In this study, we investigated whether facial expression recognition was affected by facial colour and vice versa. In the facial expression task, expression morph continua were employed: fear-anger and sadness-happiness. The morphed faces were presented in three different facial colours (bluish, neutral and reddish colour). Participants identified a facial expression between the two endpoints (e.g., fear or anger) regardless of its facial colour. In the fear-anger morphs, intermediate morph of reddish-coloured faces had more tendency to be identified as angry face, while that of bluish-coloured faces identified as fearful face. There was a similar, but a small facial colour effect on the sadness-happiness morphs. In the facial colour task, two bluish-to-reddish coloured face continua were presented in three different facial expressions (fear-neutral-anger and sadness-neutral-happy). Participants judged whether the facial colour reddish or bluish regardless of its expression. The results showed that the faces with fear and sad expression tended to be identified as more bluish. While the faces with anger and happy tended to be identified as reddish more. These results suggest that facial expression and colour influence each other on their recognition. |
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